package tianchi;

/**
 * @author zhengdayue
 */
public class ListNode {
    int val;

    ListNode next;

    ListNode() {

    }

    ListNode(int val) {

        this.val = val;
    }

    ListNode(int val, ListNode next) {

        this.val = val;
        this.next = next;
    }
}
